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Question: Answered & Verified by Expert
If a star can convert all the He nuclei completely into oxygen nuclei, the energy released per oxygen nuclei is ( Mass of the nucleus is 4.0026 amu and mass of oxygen nucleus is 15.9994 amu)
PhysicsNuclear PhysicsNEET
Options:
  • A 7.6 MeV
  • B 56.12 MeV
  • C 10.24 MeV
  • D 23.9 MeV
Solution:
2214 Upvotes Verified Answer
The correct answer is: 10.24 MeV
4( 2He4)=  8O16

Mass defect,

         m={4(4.0026)-15.9994} amu =0.01 lamu

Energy released per oxygen nuclei

                  =(0.011)(931.48) MeV

                  =10.24 MeV

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